From 3b33b36de9142ab95a01130e5234dc4eeff19196 Mon Sep 17 00:00:00 2001
From: Michael MacDonald <michael@starclass.com.au>
Date: Tue, 19 Jul 2011 10:27:08 +1000
Subject: [PATCH] Compatibility fix for using cancan with rspec-instafail and
 rspec1

---
 lib/cancan/matchers.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/cancan/matchers.rb b/lib/cancan/matchers.rb
index 6c76c54..4a4fb94 100644
--- a/lib/cancan/matchers.rb
+++ b/lib/cancan/matchers.rb
@@ -1,5 +1,5 @@
-RSpec = Spec unless defined? RSpec # for RSpec 1 compatability
-RSpec::Matchers.define :be_able_to do |*args|
+rspec_module = defined?(RSpec::Core) ? 'RSpec' : 'Spec'  # for RSpec 1 compatability
+Kernel.const_get(rspec_module)::Matchers.define :be_able_to do |*args|
   match do |ability|
     ability.can?(*args)
   end